Dimision or Dimission: How To spell?
The word Dimision is misspelled against Dimission, a noun meaning "Leave to depart; a dismissing."
Dimission has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings dimi & ion which should not be misspelled with single 'S'
Wrong Spelling:  dimi-s-ion  Correct Spelling:  dimi-ss-ion 
Find more incorrect spellings of Dimission to spell right way.